18495776

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 39594744

約数和(自身を除く): 21098968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 173, 208, 257, 346, 416, 514, 692, 1028, 1384, 2056, 2249, 2768, 3341, 4112, 4498, 5536, 6682, 8224, 8996, 13364, 17992, 26728, 35984, 44461, 53456, 71968, 88922, 106912, 177844, 355688, 577993, 711376, 1155986, 1422752, 2311972, 4623944, 9247888, 18495776]

約数ペア:

[(1, 18495776), (2, 9247888), (4, 4623944), (8, 2311972), (13, 1422752), (16, 1155986), (26, 711376), (32, 577993), (52, 355688), (104, 177844), (173, 106912), (208, 88922), (257, 71968), (346, 53456), (416, 44461), (514, 35984), (692, 26728), (1028, 17992), (1384, 13364), (2056, 8996), (2249, 8224), (2768, 6682), (3341, 5536), (4112, 4498)]